Merge remote-tracking branch 'origin/dev' into md-preview-redux

Conflicts:
	src/packages/markdown-preview/stylesheets/markdown-preview.css
	static/atom.css
	static/command-panel.css

src/stdlib/cson.coffee

@@ -1,3 +1,4 @@
+require 'underscore-extensions'
 _ = require 'underscore'
 
 module.exports =

src/stdlib/fs.coffee

@@ -63,11 +63,11 @@ module.exports =
     paths = []
     if extensions
       onPath = (path) =>
-        paths.push(@join(rootPath, path)) if _.contains(extensions, @extension(path))
+        paths.push(path) if _.contains(extensions, @extension(path))
         false
     else
       onPath = (path) =>
-        paths.push(@join(rootPath, path))
+        paths.push(path)
         false
     @traverseTree(rootPath, onPath, onPath)
     paths
@@ -75,7 +75,7 @@ module.exports =
   listTree: (rootPath) ->
     paths = []
     onPath = (path) =>
-      paths.push(@join(rootPath, path))
+      paths.push(path)
       true
     @traverseTree(rootPath, onPath, onPath)
     paths

src/stdlib/require.coffee

@@ -66,6 +66,13 @@ exts =
     evaluated = exts.js(file, compiled)
     $native.write(cacheFilePath, compiled) if writeToCache
     evaluated
+  less: (file) ->
+    output = ""
+    (new less.Parser).parse __read(file), (e, tree) ->
+      throw new Error(e.message, file, e.line) if e
+      output = tree.toCSS()
+    output
+
 
 getPath = (path) ->
   path = resolve(path)